Home
Q&A
Education
Technology
Credit
General
Health
Insurance
Questions
Ask a Question
For a first order reaction, show that the time required for `99%` completion is twice the time required for the completion of `90%` of reaction.
Home
Education
For a first order reaction, show that the time...
asked
Jan 4, 2022
in
Education
by
JackTerrance
For a first order reaction, show that the time required for 99% completion is twice the time required for the completion of 90% of reaction. Select the correct answer from above options
probability-questions
probability-mcq
1
Answer
0
votes
answered
Jan 4, 2022
by
JackTerrance
Use direct relation, t99% t90% = log( 100 100-90 ) log( 100 100-90 ) = log100 log10 =2 ∴t99%=2t90%
Related questions
0
votes
Q: The time required for `10%` completion of a first order reaction at `298K` is equal to that required for its `25%` completion at `308K` . If the value
The time required for 10% completion of a first order reaction at 298K is equal to that required for its 25% ... 318K and Ea . Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :
If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction ... 4.606 / k t Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
0
votes
Q: Time required to decompose `SO_(2)Cl_(2)` to half of its intial amount is `60 mi n.` If the decomposition is a first order reaction, calculate the rat
Time required to decompose SO2Cl2 to half of its intial amount is 60min. If the decomposition is a first order ... of the reaction. Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: The rate constant for a first order reaction is `60s^(-1)`. How much time will it take to reduce the initial concentrationof the reactant to its `1//1
The rate constant for a first order reaction is 60s-1 . How much time will it take to reduce the initial ... 1/16th value ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: The rate constant for the first order decompoistion of a certain reaction is described by the equation `log k (s^(-1)) = 14.34 - (1.25 xx 10^(4)K)/(T)
The rate constant for the first order decompoistion of a certain reaction is described by the equation logk(s-1)= ... periof be 256min? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: What type of plot is obtained for rate versus time for zero order reaction gt
What type of plot is obtained for rate versus time for zero order reaction gt Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: A first order reaction has a rate constant `1.15xx10^(-3)s^(-1)`. How long will `5g` of this reactant take to reduce to `3g`` ?
A first order reaction has a rate constant 1.15×10-3s-1 . How long will 5g of this reactant take to reduce to 3g ` ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: A reaction is first order in `A` secod order in `B`: (i) write differential rate equation. (ii) How is the rate affected when the concentration of `B`
A reaction is first order in A secod order in B : (i) write differential rate equation. (ii) How is the rate ... A and B is doubled? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Calculate the half life of a first order reaction from their rate constants given below `:` `a. 200s^(-1)`,`b. 2 mi n^(-1)`,`c.4years^(-1)`
Calculate the half life of a first order reaction from their rate constants given below : a.200s-1 ,b.2min-1 ,c.4years-1 Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Depict the galvanic in whiCHM the reaction `:` `Zn(s)+2Ag^(o+)(aq) rarr Zn^(2+)(aq)+2Ag(s)` takes place. Further show `:` ` a.` WhiCHM of the electrod
Depict the galvanic in whiCHM the reaction : Zn(s)+2Ag⊕(aq)→Zn2+(aq)+2Ag(s) takes place. Further show ... reaction at eaCHM electrode. Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: For a reaction, `A+Brarr` Product, the rate law is given by `r=k[A]^((1)/(2))[B]^(2)`. What is the order of the reactio ?
For a reaction, A+B→ Product, the rate law is given by r=k[A] 1 2 [B]2 . What is the order of the reactio ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: From the rater expression for the following reactions, determine their order of reaction and dimensions of the rate constants. `a. 3NO(g) rarr N_(2)O(
From the rater expression for the following reactions, determine their order of reaction and dimensions of the rate ... k[C2H5Cl] Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: A reaction is second order with respect to a reaction. How is the rate of reaction affected if the (a) doubled, (b) reduced to `1//2`?
A reaction is second order with respect to a reaction. How is the rate of reaction affected if the (a) doubled, (b) reduced to 1/2 ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: What is the order of reaction whose rate constant has the same units as rate of reaction ?
What is the order of reaction whose rate constant has the same units as rate of reaction ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: A first reaction takes `40 mi n ` for `30%` decomposition. Calculate `t_(1//2)`.
A first reaction takes 40min for 30% decomposition. Calculate t1/2 . Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
...